On the integrality ratio of the subtour LP for Euclidean TSP.
Stefan HougardyPublished in: Oper. Res. Lett. (2014)
Keyphrases
- subtour elimination
- lp relaxation
- linear programming
- message passing
- linear program
- knapsack problem
- integer programming
- feasible solution
- optimal solution
- energy minimization
- integer program
- euclidean distance
- mixed integer
- valid inequalities
- traveling salesman problem
- global constraints
- belief propagation
- np hard
- maximum a posteriori
- euclidean space
- dynamic programming
- search space
- graphical models
- combinatorial optimization
- simplex method
- neural network
- primal dual
- approximate solutions
- cutting plane
- lower bound
- stochastic programming
- extreme points
- bayesian networks